docker_mysql_1 exited with code 1

[oskarcalvo]

Al ejecutar docker-compose up con la la opción - ./config/mysql/my.cnf:/etc/mysql/my.cnf me devuelve el error: docker_mysql_1 exited with code 1

Cuando vuelvo a lanzar docker-compose up me devuelve lo siguiente:
mysql_1 | 190121 16:27:05 [ERROR] Can't find messagefile '/usr/share/mysql/errmsg.sys'

Mi .env file https://gist.github.com/oskarcalvo/dc75731f2084438eef4732578fd16c7b
Mi docker-compose.yml file https://gist.github.com/oskarcalvo/540b2c9391fc6746950f0640b8885fba